PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • One alternate way that is used for cutting tanks and other containers with possibly explosive content is to use a chain crawler around the pipe.
http://www.w3.org/ns/prov#wasQuotedFrom
  • businessinsider.com